Switch to lychee for link checks

Author: Andy4495

.github/workflows/CheckMarkdownLinks.yml

@@ -0,0 +1,33 @@
+# https://github.com/lycheeverse/lychee-action
+# https://github.com/lycheeverse/lychee
+name: Check Links
+
+on:
+  push:
+  schedule:
+    # Run monthly
+    # GitHub actions uses UTC for time zone
+    # crontab format: minute hour day-of-month month day-of-week
+    - cron: "34 4 4 * *"
+  workflow_dispatch:
+    inputs:
+      message:
+        description: Message to display in job summary
+        required: false
+        type: string
+      override-args:
+        description: Override default arguments (see https://github.com/lycheeverse/lychee#commandline-parameters)
+        required: false
+        type: string
+
+jobs:
+  link-checker:
+    name: Call Link Checker
+    uses: Andy4495/.github/.github/workflows/check-links.yml@main 
+    with:
+      message: ${{ inputs.message }}
+      override-args: ${{ inputs.override-args }}
+      # Use the following to exclude certain URLs from the check. Need to include "--exclude" in the definition.
+      # For example, --exclude '43oh.com'
+      exclude: 
+    

.github/workflows/check-links.yml

@@ -1,7 +1,7 @@
 # ParallelEEPROM Library
 
 [![Arduino Compile Sketches](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/arduino-compile-sketches.yml/badge.svg)](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/arduino-compile-sketches.yml)
-[![Check Markdown Links](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/CheckMarkdownLinks.yml/badge.svg)](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/CheckMarkdownLinks.yml)
+[![Check Markdown Links](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/check-links.yml/badge.svg)](https://github.com/Andy4495/ParallelEEPROM/actions/workflows/check-links.yml)
 
 This is a parallel EEPROM programmer library. It currently supports 32Kx8 (28C256 and X28256) and 2Kx8 (28C16) EEPROMs. 32Kx8 and 2Kx8 chips with the same pinout as these devices have not been tested, but will probably work with this library. Other sizes may be supported in the future.